Gas lighter



FIG. 1 is a perspective view of a gas lighter, embodying my new ornamental design, as seen from front top left;

FIG. 2 is a perspective view as seen from rear top left;

FIG. 3 is a perspective view as seen from rear bottom left; and

FIG. 4 is a perspective view as seen from front bottom left;

FIG. 5 is a side elevational view on an enlarged scale;

FIG. 6 is a rear elevational view on an enlarged scale.

The right side of the gas lighter is symmetrical to its left side. 

The ornamental design for a gas lighter, as shown and described. 